View cart “M81 Complete Gearbox” has been added to your cart. 3.5″ O.D. x 1/2″ Pulley$39.00 Single 3.5″ O.D. x 1/2″ pulley for our M81 cable machine. 3.5" O.D. x 1/2" Pulley quantity Add to cart Description Description Single 3.5″ O.D. x 1/2″ pulley for our M81 cable machine. Part no. CA0350X050 Related products Gearbox Gasket $9.50 Add to cart 1/3 Hp Electric Motor $797.00 Add to cart Revolving Arm for M81, M844, M98 $198.00 Add to cart Large Drive Arm $39.00 Add to cart Cable Machine Belts $16.00 – $20.00 Select options